content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl.operators;
  
  import hu.akarnokd.reactive4javaflow.*;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  
  public class FolyamCacheTest {
  
      @Test
      public void standard() {
          Folyam<Integer> f = Folyam.range(1, 5).cache();
          TestHelper.assertResult(f, 1, 2, 3, 4, 5);
      }
  
      @Test
      public void consumeOnce() {
          int[] counter = { 0 };
  
          Folyam<Integer> f = Folyam.range(1, 5)
                  .doOnSubscribe(s -> ++counter[0])
                  .cache();
  
          f.test().assertResult(1, 2, 3, 4, 5);
          f.test().assertResult(1, 2, 3, 4, 5);
          f.test().assertResult(1, 2, 3, 4, 5);
  
          assertEquals(1, counter[0]);
      }
  }
  